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To better understand the sedimentary history of the erosional crater of Makhtesh Hazera in the hyper-arid Negev Desert of southern Israel we have measured concentrations of in situ 10 Be in alluvial sediments from the active drainage system and from abandoned alluvial terraces and dated them using optically stimulated luminescence (OSL). These sedimentary sequences suggest changes in the drainage...
This paper describes the construction and application of a new field instrument, a Gauged Sediment Trap (GaST). Our GaST measures and captures aeolian-transported sediment, can be deployed for long periods of time (weeks), is easy to construct, and is extremely durable. The instrument consists of a water-level logger contained within an underground, water-filled sleeve, into which sediment is funneled...
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